D.C. Mun. Regs. tit. 14, § 5404
5404.1 These are the acceptable forms of participant-provided documents for purposes of documenting the file:
(a) The acceptable forms of verification of Legal Identity for adults in a Family are:
(1) Certificate of birth, naturalization papers;
(2) Church issued baptismal certificate;
(3) Current valid driver's license;
(4) Department of Motor Vehicles Identification Card;
(5) U.S. Military Discharge (DD 214);
(6) U.S. Passport; or
(7) Voters Registration Card; and
(b) The acceptable forms of verification of legal identity for children in a Family are:
(1) Certificate of birth;
(2) Church issued baptismal certificate;
(3) Adoption Papers;
(4) Custody Agreement;
(5) School Records; or
(6) Health and Human Services Identification.
5404.2 The social security numbers of household members, such as live-in aides, shall be verified for the purpose of conducting criminal background checks.
5404.3 Eligible Immigration Status shall be verified through USCIS protocols.
SOURCE: Final Rulemaking published at 59 DCR 7916 (June 29, 2012).